Answer
if one muscle shorten during contraction the opposing muscle across the joint must relax
Without genetic variation there would not be evolution. genetic variation sometimes is a result of a change in the environment. some variation occurs to help the animal better survive in their habitat. maybe there was a disruption in their ecosystem and their species will become vulnerable unless they change somehow
Answer:
Both processes generate energy for cell use.
The products of one process are used as reactants by the other process.The products of one process are used as reactants by the other process.
Explanation:
Photosynthesis is the process by which glucose is formed in plants with the aid of light energy and chlorophyll. Cellular respiration is the breakdown of glucose to release energy, water and carbon dioxide. The end products of respiration are used in photosynthesis. Glucose formed from photosynthesis is used in respiration as a reactant.